<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	private $_id;
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate()
	{

		$user= new Account();
		
		$testExistAccount= $check=Account::model()->findByAttributes(array(
				'loginName'=>$this->username,
				'password_hash'=>md5($this->password)
			));
			
		if(empty($this->username) || empty($testExistAccount))
			$this->errorCode=self::ERROR_USERNAME_INVALID;
			
		else{
			$check=Account::model()->findByAttributes(array(
				'loginName'=>$this->username,
				'password_hash'=>md5($this->password)
			));
			
			if(empty($check))
				$this->errorCode=self::ERROR_PASSWORD_INVALID;
			else{
				$this->_id=$this->username;
				$this->setState('username', $this->username);
				$this->errorCode=self::ERROR_NONE;
			}
				
			
		} 
		return !$this->errorCode;
	}
	
	public function getId()
    {
        return $this->_id;
    }
}